203231303212 has 12 divisors (see below), whose sum is σ = 406462606480. Its totient is φ = 87099129936.

The previous prime is 203231303089. The next prime is 203231303251. The reversal of 203231303212 is 212303132302.

203231303212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

203231303212 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3629130387 + ... + 3629130442.

Almost surely, 2^203231303212 is an apocalyptic number.

It is an amenable number.

203231303212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203231303212 is a wasteful number, since it uses less digits than its factorization.

203231303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258260840 (or 7258260838 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203231303212 its reverse (212303132302), we get a palindrome (415534435514).

The spelling of 203231303212 in words is "two hundred three billion, two hundred thirty-one million, three hundred three thousand, two hundred twelve".